EFFECTS OF DIFFERENT CULTIVARS AND FERTILIZATION TREATMENTS ON SOME CORN SILAGE QUALITY PARAMETERS

ÖZET: Bu araştırma farklı çeşit (PR 31Y43, OSSK-644 ve Lacasta) ve gübre uygulamalarının (organik, inorganik, 1⁄2 organik + 1⁄2 inorganik) bazı mısır silajı kalite parametreleri üzerine etkilerini belirlemek için Eskipazar-Karabuk ekolojik koşullarında 2011 ve 2012 yıllarında yürütülmüştür. Araştırmanın ikinci yılında gübre uygulamaları silaj kuru maddesi ve kuru sap oranları üzerine istatistiki olarak etkili olmuştur ve en yüksek değerler inorganik ve 1⁄2 organik + 1⁄2 inorganik gübre uygulamalarından elde edilmiştir. Her iki araştırma yılında en yüksek taze koçan oranı değerleri Lacasta çeşidinden elde edilirken, ilk araştırma yılında en yüksek kuru yaprak oranı değerleri PR 31Y43 ve Lacasta çeşitlerinden elde edilmiştir. Birinci ve ikinci araştırma yılında çeşit ve gübre uygulamalarının herbirinden yüksek flieg puanları elde edilmiştir. İnorganik gübrelerin insan ve çevre sağlığı üzerine olumsuz etkileri düşünüldüğünde, organik gübre uygulamaları ön plana çıkmaktadır. Çeşitlerin her biri yüksek flieg puanları sebebiyle tavsiye edilebilir niteliktedir.

ds: Chemical fertilizer, poultry manure, corn cultivars, silage quality FARKLI ÇEŞİT VE GÜBRE UYGULAMALARININ BAZI MISIR SİLAJI KALİTE PARAMETRELERİ ÜZERİNE ETKİLERİ

ABSTRACT: This research was conducted to determine the effects of different cultivars (PR 31Y43, OSSK-644 and Lacasta) and fertilizer treatments (organic, inorganic, 1⁄2 organic + 1⁄2 inorganic) on some corn silage quality parameters in the years 2011 and 2012 under the ecological conditions of Eskipazar-Karabuk. The fertilizer treatments were statistically significant on silage dry matter and dry stem ratio values in the second research year and highest values were obtained from inorganic and 1⁄2 organic + 1⁄2 inorganic fertilizer treatments. While the highest fresh ear ratio values were obtained from Lacasta cultivar in both research years, highest dry leaf ratio values were obtained from PR 31Y43 and Lacasta cultivars in the second research year. High flieg scores obtained from each of the fertilization treatments and corn cultivars in the first and second research year. When we consider the negative effects of inorganic fertilizers on human and environmental health, organic fertilizer treatments come into prominence. Each of the corn cultivars would be preferable due to high flieg scores. Keywords: Chemical fertilizer, poultry manure, corn cultivars, silage quality

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